Clean up WebAuthn javascript code and remove JQuery code (#22697)

There were several issues with the WebAuthn registration and testing
code and the style
was very old javascript with jquery callbacks.

This PR uses async and fetch to replace the JQuery code.

Ref #22651

Signed-off-by: Andrew Thornton <art27@cantab.net>

---------

Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: silverwind <me@silverwind.io>
This commit is contained in:
zeripath 2023-06-06 06:29:37 +01:00 committed by GitHub
parent c09f747b51
commit 036fb7861f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 191 additions and 164 deletions

View File

@ -6,6 +6,8 @@ package security
import (
"errors"
"net/http"
"strconv"
"time"
"code.gitea.io/gitea/models/auth"
wa "code.gitea.io/gitea/modules/auth/webauthn"
@ -23,8 +25,8 @@ import (
func WebAuthnRegister(ctx *context.Context) {
form := web.GetForm(ctx).(*forms.WebauthnRegistrationForm)
if form.Name == "" {
ctx.Error(http.StatusConflict)
return
// Set name to the hexadecimal of the current time
form.Name = strconv.FormatInt(time.Now().UnixNano(), 16)
}
cred, err := auth.GetWebAuthnCredentialByName(ctx.Doer.ID, form.Name)

View File

@ -5,6 +5,7 @@
<h3 class="ui top attached header">
{{.locale.Tr "twofa"}}
</h3>
{{template "user/auth/webauthn_error" .}}
<div class="ui attached segment">
{{svg "octicon-key" 56}}
<h3>{{.locale.Tr "webauthn_insert_key"}}</h3>
@ -18,5 +19,4 @@
</div>
</div>
</div>
{{template "user/auth/webauthn_error" .}}
{{template "base/footer" .}}

View File

@ -1,22 +1,13 @@
<div class="ui small modal" id="webauthn-error">
<div class="header">{{.locale.Tr "webauthn_error"}}</div>
<div class="content">
<div class="ui negative message">
<div class="header">
{{.locale.Tr "webauthn_error"}}
</div>
<div class="gt-hidden" data-webauthn-error-msg="browser"><p>{{.locale.Tr "webauthn_unsupported_browser"}}</div>
<div class="gt-hidden" data-webauthn-error-msg="unknown"><p>{{.locale.Tr "webauthn_error_unknown"}}</div>
<div class="gt-hidden" data-webauthn-error-msg="insecure"><p>{{.locale.Tr "webauthn_error_insecure"}}</div>
<div class="gt-hidden" data-webauthn-error-msg="unable-to-process"><p>{{.locale.Tr "webauthn_error_unable_to_process"}}</div>
<div class="gt-hidden" data-webauthn-error-msg="duplicated"><p>{{.locale.Tr "webauthn_error_duplicated"}}</div>
<div class="gt-hidden" data-webauthn-error-msg="empty"><p>{{.locale.Tr "webauthn_error_empty"}}</div>
<div class="gt-hidden" data-webauthn-error-msg="timeout"><p>{{.locale.Tr "webauthn_error_timeout"}}</div>
<div class="gt-hidden" data-webauthn-error-msg="general"></div>
</div>
</div>
<div class="actions">
<button onclick="window.location.reload()" class="success ui button gt-hidden webauthn_error_timeout">{{.locale.Tr "webauthn_reload"}}</button>
<button class="ui cancel button">{{.locale.Tr "cancel"}}</button>
<div id="webauthn-error" class="ui small gt-hidden">
<div class="content ui negative message gt-df gt-fc gt-gap-3">
<div class="header">{{.locale.Tr "webauthn_error"}}</div>
<div id="webauthn-error-msg"></div>
<div class="gt-hidden" data-webauthn-error-msg="browser">{{.locale.Tr "webauthn_unsupported_browser"}}</div>
<div class="gt-hidden" data-webauthn-error-msg="unknown">{{.locale.Tr "webauthn_error_unknown"}}</div>
<div class="gt-hidden" data-webauthn-error-msg="insecure">{{.locale.Tr "webauthn_error_insecure"}}</div>
<div class="gt-hidden" data-webauthn-error-msg="unable-to-process">{{.locale.Tr "webauthn_error_unable_to_process"}}</div>
<div class="gt-hidden" data-webauthn-error-msg="duplicated">{{.locale.Tr "webauthn_error_duplicated"}}</div>
<div class="gt-hidden" data-webauthn-error-msg="empty">{{.locale.Tr "webauthn_error_empty"}}</div>
<div class="gt-hidden" data-webauthn-error-msg="timeout">{{.locale.Tr "webauthn_error_timeout"}}</div>
</div>
</div>

View File

@ -3,6 +3,7 @@
</h4>
<div class="ui attached segment">
<p>{{.locale.Tr "settings.webauthn_desc" | Str2html}}</p>
{{template "user/auth/webauthn_error" .}}
<div class="ui key list">
{{range .WebAuthnCredentials}}
<div class="item">
@ -28,7 +29,6 @@
</div>
</div>
{{template "user/auth/webauthn_error" .}}
<div class="ui g-modal-confirm delete modal" id="delete-registration">
<div class="header">

View File

@ -699,6 +699,11 @@ a.label,
border: 1px solid var(--color-secondary);
}
.ui.info.message .header,
.ui.blue.message .header {
color: var(--color-blue);
}
.ui.info.message,
.ui.attached.info.message,
.ui.blue.message,
@ -708,6 +713,12 @@ a.label,
border-color: var(--color-info-border);
}
.ui.success.message .header,
.ui.positive.message .header,
.ui.green.message .header {
color: var(--color-green);
}
.ui.success.message,
.ui.attached.success.message,
.ui.positive.message,
@ -717,6 +728,12 @@ a.label,
border-color: var(--color-success-border);
}
.ui.error.message .header,
.ui.negative.message .header,
.ui.red.message .header {
color: var(--color-red);
}
.ui.error.message,
.ui.attached.error.message,
.ui.red.message,
@ -728,6 +745,11 @@ a.label,
border-color: var(--color-error-border);
}
.ui.warning.message .header,
.ui.yellow.message .header {
color: var(--color-yellow);
}
.ui.warning.message,
.ui.attached.warning.message,
.ui.yellow.message,

View File

@ -2405,11 +2405,6 @@
padding-bottom: 0 !important;
}
.settings .content > .header,
.settings .content .segment {
box-shadow: 0 1px 2px 0 var(--color-box-header);
}
.settings.webhooks .list > .item:not(:first-child),
.settings.githooks .list > .item:not(:first-child),
.settings.actions .list > .item:not(:first-child) {

View File

@ -1,11 +1,13 @@
import $ from 'jquery';
import {encode, decode} from 'uint8-to-base64';
import {hideElem, showElem} from '../utils/dom.js';
import {encodeURLEncodedBase64, decodeURLEncodedBase64} from '../utils.js';
import {showElem, hideElem} from '../utils/dom.js';
const {appSubUrl, csrfToken} = window.config;
export function initUserAuthWebAuthn() {
if ($('.user.signin.webauthn-prompt').length === 0) {
export async function initUserAuthWebAuthn() {
hideElem('#webauthn-error');
const elPrompt = document.querySelector('.user.signin.webauthn-prompt');
if (!elPrompt) {
return;
}
@ -13,49 +15,52 @@ export function initUserAuthWebAuthn() {
return;
}
$.getJSON(`${appSubUrl}/user/webauthn/assertion`, {})
.done((makeAssertionOptions) => {
makeAssertionOptions.publicKey.challenge = decodeURLEncodedBase64(makeAssertionOptions.publicKey.challenge);
for (let i = 0; i < makeAssertionOptions.publicKey.allowCredentials.length; i++) {
makeAssertionOptions.publicKey.allowCredentials[i].id = decodeURLEncodedBase64(makeAssertionOptions.publicKey.allowCredentials[i].id);
}
navigator.credentials.get({
publicKey: makeAssertionOptions.publicKey
})
.then((credential) => {
verifyAssertion(credential);
}).catch((err) => {
// Try again... without the appid
if (makeAssertionOptions.publicKey.extensions && makeAssertionOptions.publicKey.extensions.appid) {
delete makeAssertionOptions.publicKey.extensions['appid'];
navigator.credentials.get({
publicKey: makeAssertionOptions.publicKey
})
.then((credential) => {
verifyAssertion(credential);
}).catch((err) => {
webAuthnError('general', err.message);
});
return;
}
webAuthnError('general', err.message);
});
}).fail(() => {
webAuthnError('unknown');
const res = await fetch(`${appSubUrl}/user/webauthn/assertion`);
if (res.status !== 200) {
webAuthnError('unknown');
return;
}
const options = await res.json();
options.publicKey.challenge = decodeURLEncodedBase64(options.publicKey.challenge);
for (const cred of options.publicKey.allowCredentials) {
cred.id = decodeURLEncodedBase64(cred.id);
}
const credential = await navigator.credentials.get({
publicKey: options.publicKey
});
try {
await verifyAssertion(credential);
} catch (err) {
if (!options.publicKey.extensions?.appid) {
webAuthnError('general', err.message);
return;
}
delete options.publicKey.extensions.appid;
const credential = await navigator.credentials.get({
publicKey: options.publicKey
});
try {
await verifyAssertion(credential);
} catch (err) {
webAuthnError('general', err.message);
}
}
}
function verifyAssertion(assertedCredential) {
async function verifyAssertion(assertedCredential) {
// Move data into Arrays incase it is super long
const authData = new Uint8Array(assertedCredential.response.authenticatorData);
const clientDataJSON = new Uint8Array(assertedCredential.response.clientDataJSON);
const rawId = new Uint8Array(assertedCredential.rawId);
const sig = new Uint8Array(assertedCredential.response.signature);
const userHandle = new Uint8Array(assertedCredential.response.userHandle);
$.ajax({
url: `${appSubUrl}/user/webauthn/assertion`,
type: 'POST',
data: JSON.stringify({
const res = await fetch(`${appSubUrl}/user/webauthn/assertion`, {
method: 'POST',
headers: {
'Content-Type': 'application/json; charset=utf-8'
},
body: JSON.stringify({
id: assertedCredential.id,
rawId: encodeURLEncodedBase64(rawId),
type: assertedCredential.type,
@ -67,50 +72,31 @@ function verifyAssertion(assertedCredential) {
userHandle: encodeURLEncodedBase64(userHandle),
},
}),
contentType: 'application/json; charset=utf-8',
dataType: 'json',
success: (resp) => {
if (resp && resp['redirect']) {
window.location.href = resp['redirect'];
} else {
window.location.href = '/';
}
},
error: (xhr) => {
if (xhr.status === 500) {
webAuthnError('unknown');
return;
}
webAuthnError('unable-to-process');
}
});
if (res.status === 500) {
webAuthnError('unknown');
return;
} else if (res.status !== 200) {
webAuthnError('unable-to-process');
return;
}
const reply = await res.json();
window.location.href = reply?.redirect ?? `${appSubUrl}/`;
}
// Encode an ArrayBuffer into a URLEncoded base64 string.
function encodeURLEncodedBase64(value) {
return encode(value)
.replace(/\+/g, '-')
.replace(/\//g, '_')
.replace(/=/g, '');
}
// Dccode a URLEncoded base64 to an ArrayBuffer string.
function decodeURLEncodedBase64(value) {
return decode(value
.replace(/_/g, '/')
.replace(/-/g, '+'));
}
function webauthnRegistered(newCredential) {
async function webauthnRegistered(newCredential) {
const attestationObject = new Uint8Array(newCredential.response.attestationObject);
const clientDataJSON = new Uint8Array(newCredential.response.clientDataJSON);
const rawId = new Uint8Array(newCredential.rawId);
return $.ajax({
url: `${appSubUrl}/user/settings/security/webauthn/register`,
type: 'POST',
headers: {'X-Csrf-Token': csrfToken},
data: JSON.stringify({
const res = await fetch(`${appSubUrl}/user/settings/security/webauthn/register`, {
method: 'POST',
headers: {
'X-Csrf-Token': csrfToken,
'Content-Type': 'application/json; charset=utf-8',
},
body: JSON.stringify({
id: newCredential.id,
rawId: encodeURLEncodedBase64(rawId),
type: newCredential.type,
@ -119,48 +105,47 @@ function webauthnRegistered(newCredential) {
clientDataJSON: encodeURLEncodedBase64(clientDataJSON),
},
}),
dataType: 'json',
contentType: 'application/json; charset=utf-8',
}).then(() => {
window.location.reload();
}).fail((xhr) => {
if (xhr.status === 409) {
webAuthnError('duplicated');
return;
}
webAuthnError('unknown');
});
if (res.status === 409) {
webAuthnError('duplicated');
return;
} else if (res.status !== 201) {
webAuthnError('unknown');
return;
}
window.location.reload();
}
function webAuthnError(errorType, message) {
hideElem($('#webauthn-error [data-webauthn-error-msg]'));
const $errorGeneral = $(`#webauthn-error [data-webauthn-error-msg=general]`);
const elErrorMsg = document.getElementById(`webauthn-error-msg`);
if (errorType === 'general') {
showElem($errorGeneral);
$errorGeneral.text(message || 'unknown error');
elErrorMsg.textContent = message || 'unknown error';
} else {
const $errorTyped = $(`#webauthn-error [data-webauthn-error-msg=${errorType}]`);
if ($errorTyped.length) {
showElem($errorTyped);
const elTypedError = document.querySelector(`#webauthn-error [data-webauthn-error-msg=${errorType}]`);
if (elTypedError) {
elErrorMsg.textContent = `${elTypedError.textContent}${message ? ` ${message}` : ''}`;
} else {
showElem($errorGeneral);
$errorGeneral.text(`unknown error type: ${errorType}`);
elErrorMsg.textContent = `unknown error type: ${errorType}${message ? ` ${message}` : ''}`;
}
}
$('#webauthn-error').modal('show');
showElem('#webauthn-error');
}
function detectWebAuthnSupport() {
if (!window.isSecureContext) {
$('#register-button').prop('disabled', true);
$('#login-button').prop('disabled', true);
document.getElementById('register-button').disabled = true;
document.getElementById('login-button').disabled = true;
webAuthnError('insecure');
return false;
}
if (typeof window.PublicKeyCredential !== 'function') {
$('#register-button').prop('disabled', true);
$('#login-button').prop('disabled', true);
document.getElementById('register-button').disabled = true;
document.getElementById('login-button').disabled = true;
webAuthnError('browser');
return false;
}
@ -169,12 +154,14 @@ function detectWebAuthnSupport() {
}
export function initUserAuthWebAuthnRegister() {
if ($('#register-webauthn').length === 0) {
const elRegister = document.getElementById('register-webauthn');
if (!elRegister) {
return;
}
$('#webauthn-error').modal({allowMultiple: false});
$('#register-webauthn').on('click', (e) => {
hideElem('#webauthn-error');
elRegister.addEventListener('click', (e) => {
e.preventDefault();
if (!detectWebAuthnSupport()) {
return;
@ -183,40 +170,48 @@ export function initUserAuthWebAuthnRegister() {
});
}
function webAuthnRegisterRequest() {
if ($('#nickname').val() === '') {
webAuthnError('empty');
async function webAuthnRegisterRequest() {
const elNickname = document.getElementById('nickname');
const body = new FormData();
body.append('name', elNickname.value);
const res = await fetch(`${appSubUrl}/user/settings/security/webauthn/request_register`, {
method: 'POST',
headers: {
'X-Csrf-Token': csrfToken,
},
body,
});
if (res.status === 409) {
webAuthnError('duplicated');
return;
} else if (res.status !== 200) {
webAuthnError('unknown');
return;
}
$.post(`${appSubUrl}/user/settings/security/webauthn/request_register`, {
_csrf: csrfToken,
name: $('#nickname').val(),
}).done((makeCredentialOptions) => {
$('#nickname').closest('div.field').removeClass('error');
makeCredentialOptions.publicKey.challenge = decodeURLEncodedBase64(makeCredentialOptions.publicKey.challenge);
makeCredentialOptions.publicKey.user.id = decodeURLEncodedBase64(makeCredentialOptions.publicKey.user.id);
if (makeCredentialOptions.publicKey.excludeCredentials) {
for (let i = 0; i < makeCredentialOptions.publicKey.excludeCredentials.length; i++) {
makeCredentialOptions.publicKey.excludeCredentials[i].id = decodeURLEncodedBase64(makeCredentialOptions.publicKey.excludeCredentials[i].id);
}
}
const options = await res.json();
elNickname.closest('div.field').classList.remove('error');
navigator.credentials.create({
publicKey: makeCredentialOptions.publicKey
}).then(webauthnRegistered)
.catch((err) => {
if (!err) {
webAuthnError('unknown');
return;
}
webAuthnError('general', err.message);
});
}).fail((xhr) => {
if (xhr.status === 409) {
webAuthnError('duplicated');
return;
options.publicKey.challenge = decodeURLEncodedBase64(options.publicKey.challenge);
options.publicKey.user.id = decodeURLEncodedBase64(options.publicKey.user.id);
if (options.publicKey.excludeCredentials) {
for (const cred of options.publicKey.excludeCredentials) {
cred.id = decodeURLEncodedBase64(cred.id);
}
webAuthnError('unknown');
});
}
let credential;
try {
credential = await navigator.credentials.create({
publicKey: options.publicKey
});
} catch (err) {
webAuthnError('unknown', err);
return;
}
webauthnRegistered(credential);
}

View File

@ -1,3 +1,5 @@
import {encode, decode} from 'uint8-to-base64';
// transform /path/to/file.ext to file.ext
export function basename(path = '') {
return path ? path.replace(/^.*\//, '') : '';
@ -135,3 +137,17 @@ export function toAbsoluteUrl(url) {
return `${window.location.origin}${url}`;
}
// Encode an ArrayBuffer into a URLEncoded base64 string.
export function encodeURLEncodedBase64(arrayBuffer) {
return encode(arrayBuffer)
.replace(/\+/g, '-')
.replace(/\//g, '_')
.replace(/=/g, '');
}
// Decode a URLEncoded base64 to an ArrayBuffer string.
export function decodeURLEncodedBase64(base64url) {
return decode(base64url
.replace(/_/g, '/')
.replace(/-/g, '+'));
}

View File

@ -2,7 +2,7 @@ import {expect, test} from 'vitest';
import {
basename, extname, isObject, stripTags, joinPaths, parseIssueHref,
parseUrl, translateMonth, translateDay, blobToDataURI,
toAbsoluteUrl,
toAbsoluteUrl, encodeURLEncodedBase64, decodeURLEncodedBase64,
} from './utils.js';
test('basename', () => {
@ -132,3 +132,9 @@ test('toAbsoluteUrl', () => {
expect(() => toAbsoluteUrl('path')).toThrowError('unsupported');
});
test('encodeURLEncodedBase64, decodeURLEncodedBase64', () => {
expect(encodeURLEncodedBase64(decodeURLEncodedBase64('foo'))).toEqual('foo'); // No = padding
expect(encodeURLEncodedBase64(decodeURLEncodedBase64('a-minus'))).toEqual('a-minus');
expect(encodeURLEncodedBase64(decodeURLEncodedBase64('_underscorc'))).toEqual('_underscorc');
});